From: William Lee Irwin III <wli@holomorphy.com>
To: Eric Dumazet <dada1@cosmosbay.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
linux kernel <linux-kernel@vger.kernel.org>,
David Miller <davem@davemloft.net>
Subject: Re: [PATCH] MM : alloc_large_system_hash() can free some memory for non power-of-two bucketsize
Date: Mon, 21 May 2007 01:11:39 -0700 [thread overview]
Message-ID: <20070521081139.GG19966@holomorphy.com> (raw)
In-Reply-To: <464F44BD.3040209@cosmosbay.com>
William Lee Irwin III a ?crit :
>> The proper way to do this is to convert the large system hashtable
>> users to use some data structure / algorithm other than hashing by
>> separate chaining.
On Sat, May 19, 2007 at 08:41:01PM +0200, Eric Dumazet wrote:
> No thanks. This was already discussed to death on netdev. To date, hash
> tables are a good compromise.
> I dont mind losing part of memory, I prefer to keep good performance when
> handling 1.000.000 or more tcp sessions.
The data structures perform well enough, but I suppose it's not worth
pushing the issue this way.
-- wli
WARNING: multiple messages have this Message-ID (diff)
From: William Lee Irwin III <wli@holomorphy.com>
To: Eric Dumazet <dada1@cosmosbay.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
linux kernel <linux-kernel@vger.kernel.org>,
David Miller <davem@davemloft.net>
Subject: Re: [PATCH] MM : alloc_large_system_hash() can free some memory for non power-of-two bucketsize
Date: Mon, 21 May 2007 01:11:39 -0700 [thread overview]
Message-ID: <20070521081139.GG19966@holomorphy.com> (raw)
In-Reply-To: <464F44BD.3040209@cosmosbay.com>
William Lee Irwin III a ?crit :
>> The proper way to do this is to convert the large system hashtable
>> users to use some data structure / algorithm other than hashing by
>> separate chaining.
On Sat, May 19, 2007 at 08:41:01PM +0200, Eric Dumazet wrote:
> No thanks. This was already discussed to death on netdev. To date, hash
> tables are a good compromise.
> I dont mind losing part of memory, I prefer to keep good performance when
> handling 1.000.000 or more tcp sessions.
The data structures perform well enough, but I suppose it's not worth
pushing the issue this way.
-- wli
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2007-05-21 8:11 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-18 9:54 [PATCH] MM : alloc_large_system_hash() can free some memory for non power-of-two bucketsize Eric Dumazet
2007-05-18 9:54 ` Eric Dumazet
2007-05-18 18:21 ` Christoph Lameter
2007-05-18 18:21 ` Christoph Lameter
2007-05-19 8:37 ` Andrew Morton
2007-05-19 8:37 ` Andrew Morton
2007-05-19 18:07 ` Eric Dumazet
2007-05-19 18:07 ` Eric Dumazet
2007-05-19 18:54 ` David Miller
2007-05-19 18:54 ` David Miller, Eric Dumazet
2007-05-19 20:36 ` Eric Dumazet
2007-05-19 20:36 ` Eric Dumazet
2007-05-19 18:21 ` William Lee Irwin III
2007-05-19 18:21 ` William Lee Irwin III
2007-05-19 18:41 ` Eric Dumazet
2007-05-19 18:41 ` Eric Dumazet
2007-05-21 8:11 ` William Lee Irwin III [this message]
2007-05-21 8:11 ` William Lee Irwin III
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20070521081139.GG19966@holomorphy.com \
--to=wli@holomorphy.com \
--cc=akpm@linux-foundation.org \
--cc=dada1@cosmosbay.com \
--cc=davem@davemloft.net \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.